Separating Mixtures Experiment Worksheet
What you do (Choose the right way): 1. Put cotton or cloth in the funnel, then layers of sand and small pebbles. 2. Stand the funnel in a clean glass. 3. Pour muddy water in slowly and watch what drips out. 4. Compare the colour before and after — never drink it — and wash your hands.
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- 1.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
- 2.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a balloon (c) turmeric powder (d) sand and pebbles
- 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same funnel (c) how clear the water is (d) the same muddy water
- 4.🫗 How do we separate sugar from sugar water? (a) filtering (b) winnowing (c) evaporating (d) sieving
- 5.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
- 6.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) clear water is hot (d) germs are invisible
- 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) a funnel (d) a battery cell
- 8.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) salty (d) muddier
- 9.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
- 10.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) bran from wheat flour (c) tea leaves from tea (d) salt from sea water
- 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) a funnel (d) a magnet
- 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the amount poured
- 13.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sand (c) it turns to sugar (d) no, salt passes through
- 14.True or false: sugar from sugar water is done by winnowing. (a) False (b) True
- 15.True or false: mud from water is done by filtering. (a) False (b) True
- 16.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
- 17.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) bad grains from rice (c) sugar from sugar water (d) chaff from wheat grain
- 18.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) sand and pebbles (d) turmeric powder
- 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
- 20.🫗 How do we separate small stones from dal? (a) evaporating (b) sieving (c) winnowing (d) handpicking
- 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the same muddy water (b) the same glass (c) how clear the water is (d) the filter material
- 22.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) muddy water (d) a clean glass
- 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “how clear the water is”? (a) we keep it the same (b) we change it (c) we measure it
- 24.True or false: sugar from sugar water is done by handpicking. (a) True (b) False
- 25.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
- 26.🫗 How do we separate bad grains from rice? (a) filtering (b) handpicking (c) sieving (d) evaporating
- 27.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves pass through (c) leaves stay behind (d) both stay behind
- 28.True or false: husk from rice grain is done by evaporating. (a) True (b) False
- 29.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
- 30.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
- 31.🫗 How do we separate salt from sea water? (a) sieving (b) handpicking (c) filtering (d) evaporating
- 32.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
- 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) False (b) True
- 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) False (b) True
- 35.True or false: bran from wheat flour is done by winnowing. (a) True (b) False
- 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
- 37.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
- 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
- 39.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the mud (c) nothing (d) the salt
- 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) a funnel (d) yeast
Answer key
- we keep it the same
- sand and pebbles
- how clear the water is
- evaporating
- needed
- germs are invisible
- a battery cell
- clearer
- needed
- tea leaves from tea
- a magnet
- the amount poured
- no, salt passes through
- False
- True
- wash hands afterwards
- bad grains from rice
- turmeric powder
- True
- handpicking
- the filter material
- a magnet
- we measure it
- False
- needed
- handpicking
- leaves stay behind
- False
- not needed
- not needed
- evaporating
- True
- False
- False
- False
- we change it
- True
- we keep it the same
- the mud
- yeast
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